package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/*
*菜品管理
* @Author itcast
 */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /*
    *新增菜品
    * @param dishDTO
    * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result add(@RequestBody DishDTO dishDTO){
        dishService.save(dishDTO);
        //新增菜品后，需要清理缓存数据
        cleanCache("dish_" + dishDTO.getCategoryId());
        return Result.success();
    }

    /*
    *菜品分页查询
    * @param dishPageQueryDTO
    * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        return Result.success(dishService.pageQuery(dishPageQueryDTO));
    }

    /*
    *批量删除菜品
    * @param ids
    * @return
     */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long> ids){
        dishService.delete(ids);
        cleanCache("dish_*");
        return Result.success();
    }

    /*
    *根据id查询菜品
    * @param id
    * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        DishVO dishVO = dishService.getById(id);
        return Result.success(dishVO);
    }

    /*
    *修改菜品
    * @param dishDTO
    * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        dishService.update(dishDTO);
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 启用禁用菜品
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("启用禁用菜品")
    public Result startOrStop(@PathVariable Integer status, Long id){
        dishService.startOrStop(status,id);
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<DishVO>> list(Long categoryId){
        List<DishVO> dishVOList = dishService.list(categoryId);
        return Result.success(dishVOList);
    }


    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        //查询所有dish_开头的key
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
